diff --git a/src/Plugin/Field/FieldWidget/MultiSelect2BoxesAutocompleteWidget.php b/src/Plugin/Field/FieldWidget/MultiSelect2BoxesAutocompleteWidget.php
index 73937a5..d595cc1 100644
--- a/src/Plugin/Field/FieldWidget/MultiSelect2BoxesAutocompleteWidget.php
+++ b/src/Plugin/Field/FieldWidget/MultiSelect2BoxesAutocompleteWidget.php
@@ -57,7 +57,7 @@ class MultiSelect2BoxesAutocompleteWidget extends OptionsSelectWidget {
     ) {
       $value = $form_state->getUserInput()[$this->fieldDefinition->getName()];
       if (!empty($value)) {
-        if ($settings['handler_settings']['auto_create']) {
+        if (isset($settings['handler_settings']['auto_create']) && $settings['handler_settings']['auto_create'] == TRUE) {
           // Prepare the data required for an entity creation.
           $target_type   = $settings['target_type'];
           $target_bundle = isset($settings['handler_settings']['auto_create_bundle'])
diff --git a/src/Plugin/Field/FieldWidget/SingleSelect2BoxesAutocompleteWidget.php b/src/Plugin/Field/FieldWidget/SingleSelect2BoxesAutocompleteWidget.php
index 3ec82e7..9c71699 100644
--- a/src/Plugin/Field/FieldWidget/SingleSelect2BoxesAutocompleteWidget.php
+++ b/src/Plugin/Field/FieldWidget/SingleSelect2BoxesAutocompleteWidget.php
@@ -53,7 +53,7 @@ class SingleSelect2BoxesAutocompleteWidget extends OptionsSelectWidget {
     ) {
       $value = $form_state->getUserInput()[$this->fieldDefinition->getName()];
       if (!empty($value)) {
-        if ($settings['handler_settings']['auto_create']) {
+        if (isset($settings['handler_settings']['auto_create']) && $settings['handler_settings']['auto_create'] == TRUE) {
           $target_type   = $settings['target_type'];
           $target_bundle = isset($settings['handler_settings']['auto_create_bundle'])
             ? $settings['handler_settings']['auto_create_bundle']